searchAND.php

<?php
declare(strict_types = 1);

$search_needles = array();
$search_regex = array();

$start_dir = implode(DIRECTORY_SEPARATOR, [
    __DIR__,
    "..",
    'easyad'
]);
$start_dir = realpath($start_dir);
if (false === $start_dir) {
    die("error: startdir isn't readable.\n");
}
if (! is_dir($start_dir)) {
    die("error: startdir isn't a directory.\n");
}
$start_dir = rtrim($start_dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;

function search(string $dir, array $search_needles, array $search_regex): void
{
    $dir = rtrim($dir, DIRECTORY_SEPARATOR);
    $files = glob($dir . DIRECTORY_SEPARATOR . "*", GLOB_NOESCAPE | GLOB_NOSORT);
    foreach ($files as $file) {
        if (is_dir($file)) {
            echo ",";
            search($file, $search_needles, $search_regex);
        } else {
            echo ".";
            $c = file_get_contents($file);
            if (empty($c) && $c !== "0") {
                continue;
            }
            foreach ($search_needles as $needle) {
                if (false !== stripos($c, $needle)) {
                    echo "\nMATCH: {$needle}: {$file}\n";
                }
            }
            foreach ($search_regex as $rex) {
                if (preg_match($rex, $c)) {
                    echo "\nMATCH: {$rex}: {$file}\n";
                }
            }
        }
    }
}

search($start_dir, $search_needles, $search_regex);